<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>hang</title>
    <link rel="stylesheet" href="1.css">
</head>
<body background="2.jpg">
<form action="/query1" method="post" class="box">
    <div>
        <input type="text" name="hang" placeholder="输入要统计的行">
        <button type="submit">统计</button>
    </div>
    <div><a href="index.html">返回</a></div>
</form>
</body>
</html>